5x^2-39-28=0

Solution for 5x^2-39-28=0 equation:

Simplifying
5x2 + -39 + -28 = 0

Reorder the terms:
-39 + -28 + 5x2 = 0

Combine like terms: -39 + -28 = -67
-67 + 5x2 = 0

Solving
-67 + 5x2 = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '67' to each side of the equation.
-67 + 67 + 5x2 = 0 + 67

Combine like terms: -67 + 67 = 0
0 + 5x2 = 0 + 67
5x2 = 0 + 67

Combine like terms: 0 + 67 = 67
5x2 = 67

Divide each side by '5'.
x2 = 13.4

Simplifying
x2 = 13.4

Take the square root of each side:
x = {-3.660601044, 3.660601044}